介绍电力市场中技术支持系统的总体结构，它包括三个系统：扩展的能量管理系统、合同管理及电量记费系统和信息发布及市场管理系统。这三个系统是相互关联并缺一不可的，是电力市场赖以存在的技术基础。在电力市场运营模式选择过程中，应充分考虑技术支持系统。 The overall structure of the technical support system in the electricity market is introduced. It consists of three systems: an expanded energy management system, a contract management and billing system, and an information release and market management system. These three systems are interdependent and indispensable, and are the technical basis for the power market. In the power market operation mode selection process, should fully consider the technical support system.